<h1>This is App Component!</h1>
<a routerLink="/a">Link A</a>
<a routerLink="/b">Link B</a>
<builder-component
  (load)="load($event)"
  [options]="options"
  (error)="error($event)"
  [data]="data"
  model="page"
></builder-component>
<router-outlet></router-outlet>
